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🐚 30 entries · 24 edible · 2 deadly

The plants of Coastline

Estrans, dunes, falaises : algues (presque toutes comestibles), salicorne, criste-marine, chou marin.

30 entries
Harmless

Bladderwrack

Fucus vesiculosus
🍽️💊🐚🍁
⚠️ Confusion: Spiral wrack (no vesicles, high intertidal zone) and bladderwrack with single vesicles
Harmless

Burnet rose (Scotch rose)

Rosa spinosissima
🍽️💊🐚🌳
⚠️ Confusion: Dog rose
Low toxicity

Caulerpa taxifolia ("killer alga")

Caulerpa taxifolia
☠️🐚🫒
⚠️ Confusion: Other caulerpa species and edible green filamentous algae harvested by mistake in the Mediterranean
Harmless

Codium (dead man's fingers)

Codium fragile
🍽️🐚🍁
⚠️ Confusion: No known dangerous look-alikes
Low toxicity

Common Gorse

Ulex europaeus
🍽️☠️🌳🐚
⚠️ Confusion: Scotch Broom (similar yellow flowers, no thorns)
Low toxicity

Desmarestia (acid kelp)

Desmarestia spp.
☠️🐚
⚠️ Confusion: Other edible brown seaweeds harvested in the same basket
Harmless

Dulse

Palmaria palmata
🍽️🐚
⚠️ Confusion: No dangerous look-alikes known
Harmless

Glasswort (Samphire)

Salicornia europaea
🍽️🐚
⚠️ Confusion: Sea Spurge
Harmless

Heather (ling)

Calluna vulgaris
💊🪢🌳🏔️🐚
⚠️ Confusion: Heaths of the Erica genus (bell heather, cross-leaved heath), same uses
Deadly

Hemlock water-dropwort

Oenanthe crocata
☠️🌳🫒🐚
⚠️ Confusion: Wild parsnip or wild celery
Harmless

Himanthalia (sea spaghetti, thongweed)

Himanthalia elongata
🍽️🐚
⚠️ Confusion: No known dangerous confusion
Harmless

Knotted wrack

Ascophyllum nodosum
🍽️🐚🍁
⚠️ Confusion: Bladder wrack
Deadly

Manchineel

Hippomane mancinella
☠️🌴🐚
⚠️ Confusion: Apple or small tropical edible fruit
Low toxicity

New Zealand Spinach (Warrigal Greens)

Tetragonia tetragonioides
🍽️🦘🐚
⚠️ Confusion: No known dangerous look-alikes
Harmless

Nori (purple laver)

Porphyra umbilicalis
🍽️🐚🍁35 kcal
⚠️ Confusion: Other thin sheet-like red algae (Porphyra/Pyropia spp.)
Harmless

Oarweed (Breton kombu)

Laminaria digitata
🍽️🐚🍁
⚠️ Confusion: Sugar kelp (royal kombu)
Harmless

Oyster plant (Mertensia maritima)

Mertensia maritima
🍽️🐚🌲🍁
⚠️ Confusion: Sea sandwort
Harmless

Prickly saltwort (Russian thistle)

Salsola kali
🍽️🐚🫒
⚠️ Confusion: No known dangerous toxic look-alikes
Harmless

Rock samphire (sea fennel)

Crithmum maritimum
🍽️🐚🫒
⚠️ Confusion: Other coastal Apiaceae, some of which are toxic (e.g., hemlock water-dropwort in nearby wet areas)
Harmless

Sea beet (Wild chard)

Beta vulgaris subsp. maritima
🍽️🐚🫒
⚠️ Confusion: No known dangerous confusion
Harmless

Sea buckthorn

Hippophae rhamnoides
🍽️💊🌳🐚🏔️
⚠️ Confusion: Firethorn (pyracantha)
Harmless

Sea kale

Crambe maritima
🍽️🐚
⚠️ Confusion: Sea rocket
Harmless

Sea lavender (statice)

Limonium vulgare
🍽️💊🐚🫒
⚠️ Confusion: Sea aster
Harmless

Sea lettuce

Ulva lactuca
🍽️🐚
⚠️ Confusion: No known dangerous look-alikes
Harmless

Sea purslane

Halimione portulacoides
🍽️🐚🫒
⚠️ Confusion: Pedunculate sea-purslane (rare)
Harmless

Sea rocket

Cakile maritima
🍽️🐚🫒
⚠️ Confusion: Sea kale
Harmless

Sea Sandwort

Honckenya peploides
🍽️🐚🍁🌲
⚠️ Confusion: Sea Spurge (toxic)
Toxic

Sea Spurge

Euphorbia paralias
☠️🐚🫒
⚠️ Confusion: Sea Sandwort (edible)
Harmless

Slender Gracilaria

Gracilaria gracilis
🍽️🐚🫒
⚠️ Confusion: Other filamentous red seaweeds
Harmless

Wakame

Undaria pinnatifida
🍽️🐚🫒
⚠️ Confusion: Oarweed / Kelp (kombu)